class string{ 
char s;
	public:
		string(int dim)
		{s=new char[dim];
		}
		string (string x);
		~string()
		{delete s;}
		void afisare()
		{cout<<s;
		}
		int lungime()
		{return strlen(s);
		} 
		string operator +(string x);
		string operator +=(string x,string x);
};